Recording medium device and access device

Recording medium device and access device

  • CN 1,534,491 A
  • Filed: 10/15/1999
  • Published: 10/06/2004
  • Est. Priority Date: 10/16/1998
  • Status: Abandoned Application
First Claim
Patent Images

1. a recording medium device is read digital production information or write by access device, it is characterized in that, comprising:

  • Memory storage has the zone in order to storing digital production information;

    Authenticate device to the secret unique key that is had that transmits of above-mentioned access device, uses above-mentioned unique key, and above-mentioned access device between carry out the authentication of legitimacy mutually, wherein, above-mentioned unique key is a key information intrinsic in the above-mentioned recording medium device;

    Conveyer, under above-mentioned recording medium device and above-mentioned access device all authenticate to the situation with legitimacy, reception uses above-mentioned unique key that copyright is encrypted from above-mentioned access device, and the copyright of the encryptionization that produces, and the copyright of the above-mentioned encryptionization that will receive is written to above-mentioned memory storage, perhaps, the encryption copyright that copyright is used above-mentioned unique key encryptionization and produce is read from above-mentioned memory storage, and the copyright of the above-mentioned encryption that will read is sent to above-mentioned access device.

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